/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 09:54:08,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 09:54:08,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 09:54:08,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 09:54:08,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 09:54:08,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 09:54:08,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 09:54:08,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 09:54:08,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 09:54:08,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 09:54:08,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 09:54:08,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 09:54:08,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 09:54:08,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 09:54:08,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 09:54:08,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 09:54:08,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 09:54:08,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 09:54:08,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 09:54:08,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 09:54:08,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 09:54:08,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 09:54:08,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 09:54:08,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 09:54:08,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 09:54:08,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 09:54:08,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 09:54:08,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 09:54:08,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 09:54:08,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 09:54:08,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 09:54:08,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 09:54:08,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 09:54:08,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 09:54:08,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 09:54:08,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 09:54:08,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 09:54:08,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 09:54:08,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 09:54:08,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 09:54:08,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 09:54:08,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 09:54:08,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 09:54:08,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 09:54:08,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 09:54:08,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 09:54:08,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 09:54:08,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 09:54:08,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 09:54:08,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 09:54:08,243 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 09:54:08,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 09:54:08,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 09:54:08,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 09:54:08,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 09:54:08,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 09:54:08,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 09:54:08,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 09:54:08,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:54:08,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 09:54:08,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 09:54:08,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 09:54:08,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 09:54:08,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 09:54:08,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 09:54:08,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 09:54:08,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 09:54:08,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2021-11-14 09:54:08,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ecc2e96/68b9b651246a468894042b4c84a7040a/FLAGd80d200c4 [2021-11-14 09:54:08,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 09:54:08,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2021-11-14 09:54:08,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ecc2e96/68b9b651246a468894042b4c84a7040a/FLAGd80d200c4 [2021-11-14 09:54:08,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ecc2e96/68b9b651246a468894042b4c84a7040a [2021-11-14 09:54:08,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 09:54:08,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 09:54:08,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 09:54:08,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 09:54:08,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 09:54:08,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:54:08" (1/1) ... [2021-11-14 09:54:08,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd266f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:08, skipping insertion in model container [2021-11-14 09:54:08,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:54:08" (1/1) ... [2021-11-14 09:54:08,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 09:54:08,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 09:54:09,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-14 09:54:09,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:54:09,046 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 09:54:09,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-14 09:54:09,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:54:09,086 INFO L208 MainTranslator]: Completed translation [2021-11-14 09:54:09,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09 WrapperNode [2021-11-14 09:54:09,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 09:54:09,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 09:54:09,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 09:54:09,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 09:54:09,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 09:54:09,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 09:54:09,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 09:54:09,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 09:54:09,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 09:54:09,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 09:54:09,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 09:54:09,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 09:54:09,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (1/1) ... [2021-11-14 09:54:09,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:54:09,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:54:09,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 09:54:09,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 09:54:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 09:54:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 09:54:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 09:54:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 09:54:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-14 09:54:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 09:54:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 09:54:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 09:54:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 09:54:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 09:54:09,226 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 09:54:09,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 09:54:09,495 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-14 09:54:09,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:54:09 BoogieIcfgContainer [2021-11-14 09:54:09,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 09:54:09,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 09:54:09,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 09:54:09,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 09:54:09,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 09:54:08" (1/3) ... [2021-11-14 09:54:09,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58871613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:54:09, skipping insertion in model container [2021-11-14 09:54:09,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:54:09" (2/3) ... [2021-11-14 09:54:09,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58871613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:54:09, skipping insertion in model container [2021-11-14 09:54:09,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:54:09" (3/3) ... [2021-11-14 09:54:09,501 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2021-11-14 09:54:09,505 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 09:54:09,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 09:54:09,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 09:54:09,506 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 09:54:09,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,531 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,535 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,535 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:54:09,537 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-14 09:54:09,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:54:09,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:54:09,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:54:09,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 09:54:09,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 09:54:09,591 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:54:09,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-14 09:54:09,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-14 09:54:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:54:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1273603374, now seen corresponding path program 1 times [2021-11-14 09:54:09,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:54:09,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748125301] [2021-11-14 09:54:09,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:09,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:54:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:54:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:09,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:54:09,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748125301] [2021-11-14 09:54:09,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748125301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:54:09,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:54:09,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 09:54:09,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960929973] [2021-11-14 09:54:09,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:54:09,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 09:54:09,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:54:09,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 09:54:09,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 09:54:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:09,902 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:54:09,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:54:09,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:09,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 09:54:09,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-14 09:54:09,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:54:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1927947019, now seen corresponding path program 1 times [2021-11-14 09:54:09,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:54:09,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777410080] [2021-11-14 09:54:09,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:09,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:54:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:54:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:10,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:54:10,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777410080] [2021-11-14 09:54:10,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777410080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:54:10,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:54:10,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:54:10,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409884814] [2021-11-14 09:54:10,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:54:10,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:54:10,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:54:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:54:10,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:54:10,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:54:10,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:54:10,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:54:10,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 09:54:10,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-14 09:54:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:54:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1138973456, now seen corresponding path program 1 times [2021-11-14 09:54:10,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:54:10,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776969035] [2021-11-14 09:54:10,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:54:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:54:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:10,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:54:10,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776969035] [2021-11-14 09:54:10,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776969035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:54:10,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:54:10,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 09:54:10,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6298337] [2021-11-14 09:54:10,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:54:10,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 09:54:10,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:54:10,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 09:54:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-14 09:54:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,715 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:54:10,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:54:10,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:54:10,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:54:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:54:10,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 09:54:10,849 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-14 09:54:10,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:54:10,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1038970022, now seen corresponding path program 1 times [2021-11-14 09:54:10,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:54:10,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715680637] [2021-11-14 09:54:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:10,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:54:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:54:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:11,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:54:11,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715680637] [2021-11-14 09:54:11,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715680637] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:54:11,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911812296] [2021-11-14 09:54:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:11,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:54:11,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:54:11,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 09:54:11,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 09:54:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:54:11,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 09:54:11,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:54:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:11,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:54:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:54:12,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911812296] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:54:12,305 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:54:12,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2021-11-14 09:54:12,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835286950] [2021-11-14 09:54:12,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:54:12,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-14 09:54:12,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:54:12,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-14 09:54:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-11-14 09:54:12,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:12,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:54:12,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:54:12,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:12,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:54:12,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:54:12,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:54:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:54:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:54:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:54:12,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 09:54:12,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-14 09:54:12,942 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-14 09:54:12,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:54:12,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1526933077, now seen corresponding path program 1 times [2021-11-14 09:54:12,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:54:12,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39287951] [2021-11-14 09:54:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:54:12,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:54:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-11-14 10:08:46,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 10:08:46,151 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 10:08:46,561 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-11-14 10:08:46,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-14 10:08:46,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 10:08:46,738 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. [2021-11-14 10:08:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2021-11-14 10:08:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2021-11-14 10:08:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2021-11-14 10:08:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2021-11-14 10:08:46,743 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-14 10:08:46,745 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 10:08:46,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 10:08:46,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:08:46 BasicIcfg [2021-11-14 10:08:46,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 10:08:46,747 INFO L158 Benchmark]: Toolchain (without parser) took 877902.85ms. Allocated memory was 383.8MB in the beginning and 2.7GB in the end (delta: 2.3GB). Free memory was 327.1MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2021-11-14 10:08:46,747 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory was 344.1MB in the beginning and 344.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:08:46,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.27ms. Allocated memory was 383.8MB in the beginning and 503.3MB in the end (delta: 119.5MB). Free memory was 327.0MB in the beginning and 473.4MB in the end (delta: -146.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.0GB. [2021-11-14 10:08:46,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.40ms. Allocated memory is still 503.3MB. Free memory was 473.4MB in the beginning and 471.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 10:08:46,748 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 503.3MB. Free memory was 471.5MB in the beginning and 470.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:08:46,748 INFO L158 Benchmark]: RCFGBuilder took 336.91ms. Allocated memory is still 503.3MB. Free memory was 470.5MB in the beginning and 453.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 10:08:46,748 INFO L158 Benchmark]: TraceAbstraction took 877249.06ms. Allocated memory was 503.3MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 453.7MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2021-11-14 10:08:46,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory was 344.1MB in the beginning and 344.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 245.27ms. Allocated memory was 383.8MB in the beginning and 503.3MB in the end (delta: 119.5MB). Free memory was 327.0MB in the beginning and 473.4MB in the end (delta: -146.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.40ms. Allocated memory is still 503.3MB. Free memory was 473.4MB in the beginning and 471.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.26ms. Allocated memory is still 503.3MB. Free memory was 471.5MB in the beginning and 470.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 336.91ms. Allocated memory is still 503.3MB. Free memory was 470.5MB in the beginning and 453.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 877249.06ms. Allocated memory was 503.3MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 453.7MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2021, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 96, negative conditional: 92, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 111, positive unconditional: 1814, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 42, positive unconditional: 1883, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 42, positive unconditional: 1883, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1672, positive: 1668, positive conditional: 0, positive unconditional: 1668, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1672, positive: 1668, positive conditional: 0, positive unconditional: 1668, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1929, positive: 257, positive conditional: 42, positive unconditional: 215, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1672, unknown conditional: 0, unknown unconditional: 1672] , Statistics on independence cache: Total cache size (in pairs): 1672, Positive cache size: 1668, Positive conditional cache size: 0, Positive unconditional cache size: 1668, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 69, Maximal queried relation: 0, Independence queries for same thread: 92 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 72.38ms, Number of persistent set computation: 120, Number of trivial persistent sets: 108, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1740, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2021, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 96, negative conditional: 92, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 189, positive unconditional: 1736, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 111, positive unconditional: 1814, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 42, positive unconditional: 1883, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1929, positive: 1925, positive conditional: 42, positive unconditional: 1883, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1672, positive: 1668, positive conditional: 0, positive unconditional: 1668, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1672, positive: 1668, positive conditional: 0, positive unconditional: 1668, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1929, positive: 257, positive conditional: 42, positive unconditional: 215, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1672, unknown conditional: 0, unknown unconditional: 1672] , Statistics on independence cache: Total cache size (in pairs): 1672, Positive cache size: 1668, Positive conditional cache size: 0, Positive unconditional cache size: 1668, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 69, Maximal queried relation: 0, Independence queries for same thread: 92 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 107 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 188 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 877.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 6589 SizeOfPredicates, 10 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown